POMC and congenital adrenal hyperplasia: The diagnosis of CAH was then confirmed by a pathologic ACTH stimulation test and by the genetic analysis, revealing a steroid 21OHD (classic form) due to a compound heterozygosity: he inherited the paternal chromosome carrying the point mutation A/CG intron 2 (655) and the maternal chromosome with the point mutation Ile-Asn-17 (999).